166672170600059 has 4 divisors (see below), whose sum is σ = 166672208371704. Its totient is φ = 166672132828416.

The previous prime is 166672170600053. The next prime is 166672170600077. The reversal of 166672170600059 is 950006071276661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166672170600059 is a prime.

It is a super-2 number, since 2×166672170600059² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166672170599977 and 166672170600013.

It is not an unprimeable number, because it can be changed into a prime (166672170600053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11233277 + ... + 21436670.

It is an arithmetic number, because the mean of its divisors is an integer number (41668052092926).

Almost surely, 2^{166672170600059} is an apocalyptic number.

166672170600059 is a deficient number, since it is larger than the sum of its proper divisors (37771645).

166672170600059 is an equidigital number, since it uses as much as digits as its factorization.

166672170600059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37771644.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 166672170600059 in words is "one hundred sixty-six trillion, six hundred seventy-two billion, one hundred seventy million, six hundred thousand, fifty-nine".